SPRING FLING ... Filoli, at 86 Canada Road, Woodside, will offer a sneak peek at its greenhouses, as well as kid's activities and garden tours, from 10 a.m. to 3:30 p.m. on Saturday, March 31, during Spring Fling. Other activities include a dog-agility demonstration, indoor floral displays created by Filoli volunteers, magic tricks and a puppet show, as well as refreshments. Tickets are $25 for adult nonmembers, $20 for members; $5 for children 5 to 17, free for children 4 and younger. Information: 650-364-8300, ext. 508, or www.filoli.org

GROW YOUR VEGGIES ... John Jeavons, executive director of Ecology Action and author of "How to Grow More Vegetables," will teach two classes on Saturday, March 31, at Common Ground, 559 College Ave., Palo Alto. "Seed Propagation," from 10:30 a.m. to 12:30 p.m., will deal with Grow Biointensive techniques, including transplanting, pricking out seedlings from flats and watering. "Double-Digging and Bed Preparation," from 2 to 4 p.m., including a hands-on demonstration at the Common Ground Demonstration Garden, will cover what makes healthy soil. Each class is $31. Information: 650-493-6072 or www.commongroundinpaloalto.org

OPEN DAYS ... The Garden Conservancy's 2012 Open Days Directory is available and can be ordered online now. Members (beginning at $50 for individuals) receive a free directory and admission tickets at 50 percent off. This year gardens in Palo Alto, Atherton and Portola Valley will be featured on Saturday, June 2. Information: www.opendaysprogram.org